ZAMAN, Saeed; AHMED, Umama; SHAH, Sajid Ali; MUNIR, Misbah; NAWAZ, Sadaf; GOHEER, Lutfullah. Comparison of Vitamin D Levels in Children with Recurrent Respiratory Tract Infections with Normal Children. Pakistan Armed Forces Medical Journal, [S. l.], v. 72, n. 2, p. 353–56, 2022. DOI: 10.51253/pafmj.v72i2.7649. Disponível em: https://pafmj.org/PAFMJ/article/view/7649. Acesso em: 22 feb. 2024.